Role of Zn in the Microstructure, Segregation, and Cytotoxicity of Sn-0.2 Ni Solders.

Sn-Ni system alloys are promising alternatives to replace Sn-Pb alloys as they exhibit high corrosion resistance and good weldability. However, Sn-Ni alloys still have low mechanical strength and low reliability. Using the strategy of the addition of alloying elements can be a way to improve the properties of Sn-Ni alloys.